The CyberPower 6050S surge suppressor is an all-purpose electronic surge strip with one built-in RJ-11 port and 1500 joule MOV technology. RJ-11 ports allow for protection of telecommunication devices such as phones, faxes, modems, and DSL lines, while MOV technology safely guards the surge suppressor and connected electronics against line abnormalities and lightning surges. This surge protector is ideal for personal computers, stereo electronics, phones/answering machines, and all other consumer electronics. The 6050S is also equipped with EMI/RFI filters that block unwanted line noise from all connected electronics.